Route Price Intelligence
Cheap Flights From Tri-Cities to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$319
Deals From
$309
Usually Costs
$309 – $358
Lowest We've Seen
$249
Based on 5,169 price pointshigh confidence
Monthly Price Guide
Jan
$309
Feb
$383
Mar
$369
Apr
$334
May
$348
Jun
$348
Jul
$335
Aug
$309
Sep
$309
Oct
$319
Nov
$319
Dec
$314
Cheapest Average Expensive
Best Time to Fly from Tri-Cities to Saint Louis
The cheapest time to fly from Tri-Cities to Saint Louis is typically January, when fares average around $309. The most expensive month tends to be February at around $383. For the best deals, consider flying in January, August, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $24974 price checksWorst: $309